All through transmission, the speed of electrons instantly correlates to electron wavelength; the more rapidly electrons move, the shorter wavelength as well as better the standard and depth of your impression.C?u t?o c?a chúng bao g?m 2 ph?n riêng bi?t ph?n decal và ph?n d?. M?i ph?n l?i ???c chia ra làm two l?p: Ph?n decal có l?p m?t decal v